F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 49/06 (2006.01)
Patent
CA 2521733
With a method for controlling a diaphragm or piston pump that is actuated by a cam driven by an electric motor and via a ram or connecting rod, a solution is suggested for a simple system construction that enables quantities of metered media to be delivered at the most constantly rate possible. This is achieved in that in order to deliver an approximately constant volume flow of metered medium, the diaphragm or piston of the pump is moved at ap- proximately constant speed during the compression stroke by the driving unit of the cam with consideration for the cam position.
L'invention concerne un procédé pour commander une pompe à piston ou à membrane actionnée par une came entraînée par un moteur électrique et par l'intermédiaire d'un piston ou d'une bielle. Cette invention suggère également une solution pour une construction de système simple permettant le débit de quantités de fluides dosés à une vitesse la plus constante possible. Selon ladite invention, afin de permettre le débit d'un flux volumique approximativement constant de fluide dosé, la membrane ou le piston de la pompe est déplacé(e) à une vitesse approximativement constante pendant la course de compression par l'unité d'entraînement de la came en considération de la position de came.
Haberlander Albert
Rutz Klaus
Cassan Maclean
Ecolab Inc.
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